///*
// * Copyright (C) 2017 Square, Inc.
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *      http://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//package com.zxh.httpdemo.recipes;
//
//import java.io.IOException;
//import java.net.InetAddress;
//import java.net.InetSocketAddress;
//import java.net.Proxy;
//import java.util.List;
//import java.util.concurrent.atomic.AtomicLong;
//import okhttp3.Call;
//import okhttp3.Callback;
//import okhttp3.Connection;
//import okhttp3.Handshake;
//import okhttp3.OkHttpClient;
//import okhttp3.Protocol;
//import okhttp3.Request;
//import okhttp3.Response;
//import okhttp3.ResponseBody;
//
//public final class PrintEvents {
//  private final OkHttpClient client = new OkHttpClient.Builder()
//      .eventListenerFactory(PrintingEventListener.FACTORY)
//      .build();
//
//  public void run() throws Exception {
//    Request washingtonPostRequest = new Request.Builder()
//        .url("https://www.washingtonpost.com/")
//        .build();
//    client.newCall(washingtonPostRequest).enqueue(new Callback() {
//      @Override public void onFailure(Call call, IOException e) {
//      }
//
//      @Override public void onResponse(Call call, Response response) throws IOException {
//        try (ResponseBody body = response.body()) {
//          // Consume and discard the response body.
//          body.source().readByteString();
//        }
//      }
//    });
//
//    Request newYorkTimesRequest = new Request.Builder()
//        .url("https://www.nytimes.com/")
//        .build();
//    client.newCall(newYorkTimesRequest).enqueue(new Callback() {
//      @Override public void onFailure(Call call, IOException e) {
//      }
//
//      @Override public void onResponse(Call call, Response response) throws IOException {
//        try (ResponseBody body = response.body()) {
//          // Consume and discard the response body.
//          body.source().readByteString();
//        }
//      }
//    });
//  }
//
//  public static void main(String... args) throws Exception {
//    new PrintEvents().run();
//  }
//
//  private static final class PrintingEventListener extends EventListener {
//    private static final Factory FACTORY = new Factory() {
//      final AtomicLong nextCallId = new AtomicLong(1L);
//
//      @Override public EventListener create(Call call) {
//        long callId = nextCallId.getAndIncrement();
//        System.out.printf("%04d %s%n", callId, call.request().url());
//        return new PrintingEventListener(callId, System.nanoTime());
//      }
//    };
//
//    final long callId;
//    final long callStartNanos;
//
//    PrintingEventListener(long callId, long callStartNanos) {
//      this.callId = callId;
//      this.callStartNanos = callStartNanos;
//    }
//
//    private void printEvent(String name) {
//      long elapsedNanos = System.nanoTime() - callStartNanos;
//      System.out.printf("%04d %.3f %s%n", callId, elapsedNanos / 1000000000d, name);
//    }
//
//    @Override public void callStart(Call call) {
//      printEvent("callStart");
//    }
//
//    @Override public void dnsStart(Call call, String domainName) {
//      printEvent("dnsStart");
//    }
//
//    @Override public void dnsEnd(Call call, String domainName, List<InetAddress> inetAddressList) {
//      printEvent("dnsEnd");
//    }
//
//    @Override public void connectStart(
//        Call call, InetSocketAddress inetSocketAddress, Proxy proxy) {
//      printEvent("connectStart");
//    }
//
//    @Override public void secureConnectStart(Call call) {
//      printEvent("secureConnectStart");
//    }
//
//    @Override public void secureConnectEnd(Call call, Handshake handshake) {
//      printEvent("secureConnectEnd");
//    }
//
//    @Override public void connectEnd(
//        Call call, InetSocketAddress inetSocketAddress, Proxy proxy, Protocol protocol) {
//      printEvent("connectEnd");
//    }
//
//    @Override public void connectFailed(Call call, InetSocketAddress inetSocketAddress, Proxy proxy,
//        Protocol protocol, IOException ioe) {
//      printEvent("connectFailed");
//    }
//
//    @Override public void connectionAcquired(Call call, Connection connection) {
//      printEvent("connectionAcquired");
//    }
//
//    @Override public void connectionReleased(Call call, Connection connection) {
//      printEvent("connectionReleased");
//    }
//
//    @Override public void requestHeadersStart(Call call) {
//      printEvent("requestHeadersStart");
//    }
//
//    @Override public void requestHeadersEnd(Call call, Request request) {
//      printEvent("requestHeadersEnd");
//    }
//
//    @Override public void requestBodyStart(Call call) {
//      printEvent("requestBodyStart");
//    }
//
//    @Override public void requestBodyEnd(Call call, long byteCount) {
//      printEvent("requestBodyEnd");
//    }
//
//    @Override public void responseHeadersStart(Call call) {
//      printEvent("responseHeadersStart");
//    }
//
//    @Override public void responseHeadersEnd(Call call, Response response) {
//      printEvent("responseHeadersEnd");
//    }
//
//    @Override public void responseBodyStart(Call call) {
//      printEvent("responseBodyStart");
//    }
//
//    @Override public void responseBodyEnd(Call call, long byteCount) {
//      printEvent("responseBodyEnd");
//    }
//
//    @Override public void callEnd(Call call) {
//      printEvent("callEnd");
//    }
//
//    @Override public void callFailed(Call call, IOException ioe) {
//      printEvent("callFailed");
//    }
//  }
//}
